31151250

素因数分解:

$2^1\times 3^3\times 5^4\times {\mathrm{13}}^1\times {\mathrm{71}}^1$

素因数の和:115

約数の個数: 160

約数和(自身を含む): 94469760

約数和(自身を除く): 63318510

約数列:

[1, 2, 3, 5, 6, 9, 10, 13, 15, 18, 25, 26, 27, 30, 39, 45, 50, 54, 65, 71, 75, 78, 90, 117, 125, 130, 135, 142, 150, 195, 213, 225, 234, 250, 270, 325, 351, 355, 375, 390, 426, 450, 585, 625, 639, 650, 675, 702, 710, 750, 923, 975, 1065, 1125, 1170, 1250, 1278, 1350, 1625, 1755, 1775, 1846, 1875, 1917, 1950, 2130, 2250, 2769, 2925, 3195, 3250, 3375, 3510, 3550, 3750, 3834, 4615, 4875, 5325, 5538, 5625, 5850, 6390, 6750, 8125, 8307, 8775, 8875, 9230, 9585, 9750, 10650, 11250, 13845, 14625, 15975, 16250, 16614, 16875, 17550, 17750, 19170, 23075, 24375, 24921, 26625, 27690, 29250, 31950, 33750, 41535, 43875, 44375, 46150, 47925, 48750, 49842, 53250, 69225, 73125, 79875, 83070, 87750, 88750, 95850, 115375, 124605, 133125, 138450, 146250, 159750, 207675, 219375, 230750, 239625, 249210, 266250, 346125, 399375, 415350, 438750, 479250, 576875, 623025, 692250, 798750, 1038375, 1153750, 1198125, 1246050, 1730625, 2076750, 2396250, 3115125, 3461250, 5191875, 6230250, 10383750, 15575625, 31151250]

約数ペア:

[(1, 31151250), (2, 15575625), (3, 10383750), (5, 6230250), (6, 5191875), (9, 3461250), (10, 3115125), (13, 2396250), (15, 2076750), (18, 1730625), (25, 1246050), (26, 1198125), (27, 1153750), (30, 1038375), (39, 798750), (45, 692250), (50, 623025), (54, 576875), (65, 479250), (71, 438750), (75, 415350), (78, 399375), (90, 346125), (117, 266250), (125, 249210), (130, 239625), (135, 230750), (142, 219375), (150, 207675), (195, 159750), (213, 146250), (225, 138450), (234, 133125), (250, 124605), (270, 115375), (325, 95850), (351, 88750), (355, 87750), (375, 83070), (390, 79875), (426, 73125), (450, 69225), (585, 53250), (625, 49842), (639, 48750), (650, 47925), (675, 46150), (702, 44375), (710, 43875), (750, 41535), (923, 33750), (975, 31950), (1065, 29250), (1125, 27690), (1170, 26625), (1250, 24921), (1278, 24375), (1350, 23075), (1625, 19170), (1755, 17750), (1775, 17550), (1846, 16875), (1875, 16614), (1917, 16250), (1950, 15975), (2130, 14625), (2250, 13845), (2769, 11250), (2925, 10650), (3195, 9750), (3250, 9585), (3375, 9230), (3510, 8875), (3550, 8775), (3750, 8307), (3834, 8125), (4615, 6750), (4875, 6390), (5325, 5850), (5538, 5625)]